Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 202: | \[{31^{202}-1\over30}\] | 25 × 4243 × 73529 × 2342393 × 518115053 × 9563980073<10> × 19380342702211<14> × 184896218298923<15> × 1599299999412037121<19> × 44399993518101033919<20> × 6965822215923508571538755599577162898921806181418861400219107585112491<70> × 2919845588070047920428119985469387124216489735531887553220070641303556493212376680285154523270059117687261357588149860832430029487<130> |